Closed Bug 1590041 Opened 11 months ago Closed 11 months ago

3.13% raptor-tp6-office-firefox fcp (windows7-32-shippable) regression on push 59e1ccf2ff04a68d0718099ae3e5e13b5c0fe4c7 (Mon October 7 2019)


(Core :: DOM: Content Processes, defect)

Not set





(Reporter: alexandrui, Unassigned)


(Blocks 1 open bug, Regression)


(Keywords: perf, perf-alert, regression)

Raptor has detected a Firefox performance regression from push:

As author of one of the patches included in that push, we need your help to address this regression.


4% raptor-tp6-yahoo-news-firefox fcp linux64-shippable opt 321.42 -> 335.12
4% raptor-tp6-yahoo-news-firefox windows10-64-shippable-qr opt 363.35 -> 376.21
3% raptor-tp6-yahoo-news-firefox linux64-shippable opt 360.81 -> 372.81
3% raptor-tp6-office-firefox fcp windows7-32-shippable opt 197.48 -> 203.67
3% raptor-tp6-yahoo-news-firefox fcp windows10-64-shippable-qr opt 328.00 -> 338.21
3% raptor-tp6-microsoft-firefox fcp linux64-shippable-qr opt 232.94 -> 239.33
3% raptor-tp6-office-firefox windows7-32-shippable opt 181.78 -> 186.61

You can find links to graphs and comparison views for each of the above tests at:

On the page above you can see an alert for each affected platform as well as a link to a graph showing the history of scores for this test. There is also a link to a Treeherder page showing the Raptor jobs in a pushlog format.

To learn more about the regressing test(s) or reproducing them, please see:

*** Please let us know your plans within 3 business days, or the offending patch(es) will be backed out! ***

Our wiki page outlines the common responses and expectations:

Flags: needinfo?(brennie)
Component: Performance → DOM: Content Processes
Product: Testing → Core
Version: Version 3 → unspecified

The patch is a bug fix, fixing a case where we weren't actually doing anything. We will have to eat this regression.

Closed: 11 months ago
Flags: needinfo?(brennie)
Resolution: --- → WONTFIX
No longer blocks: 1592626
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